Which equation could be used to solve the problem? in the summer, ynez earns $15 per week mowing lawns. at that rate, if she works 12 weeks, how much will she make (m)?

At the "no mutants allowed" country farm, every sheep has 4 legs, every chicken has two legs, and all animals have only 1 head. asked to count how many sheep and chicken are in the fields, a farm boy reports back that there are 140 feet and 50 heads. how many sheep and chicken are there? there are sheep and chicken at the farm.